diff options
Diffstat (limited to 'src/video_core/renderer_opengl/gl_shader_decompiler.cpp')
| -rw-r--r-- | src/video_core/renderer_opengl/gl_shader_decompiler.cpp | 54 |
1 files changed, 34 insertions, 20 deletions
diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp index a5cfa0070..a7d8c404d 100644 --- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp +++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp @@ -1591,23 +1591,21 @@ private: process_mode == Tegra::Shader::TextureProcessMode::LL || process_mode == Tegra::Shader::TextureProcessMode::LLA; + // LOD selection (either via bias or explicit textureLod) not supported in GL for + // sampler2DArrayShadow and samplerCubeArrayShadow. const bool gl_lod_supported = !( (texture_type == Tegra::Shader::TextureType::Texture2D && is_array && depth_compare) || - (texture_type == Tegra::Shader::TextureType::TextureCube && !is_array && - depth_compare)); + (texture_type == Tegra::Shader::TextureType::TextureCube && is_array && depth_compare)); const std::string read_method = lod_needed && gl_lod_supported ? "textureLod(" : "texture("; std::string texture = read_method + sampler + ", coord"; - if (process_mode != Tegra::Shader::TextureProcessMode::None) { + UNIMPLEMENTED_IF(process_mode != Tegra::Shader::TextureProcessMode::None && + !gl_lod_supported); + + if (process_mode != Tegra::Shader::TextureProcessMode::None && gl_lod_supported) { if (process_mode == Tegra::Shader::TextureProcessMode::LZ) { - if (gl_lod_supported) { - texture += ", 0"; - } else { - // Lod 0 is emulated by a big negative bias - // in scenarios that are not supported by glsl - texture += ", -1000"; - } + texture += ", 0.0"; } else { // If present, lod or bias are always stored in the register indexed by the // gpr20 @@ -1645,15 +1643,15 @@ private: if (depth_compare && !is_array && texture_type == Tegra::Shader::TextureType::Texture1D) { coord += ",0.0"; } + if (is_array) { + coord += ',' + regs.GetRegisterAsInteger(array_register); + } if (depth_compare) { // Depth is always stored in the register signaled by gpr20 // or in the next register if lod or bias are used const u64 depth_register = instr.gpr20.Value() + (lod_bias_enabled ? 1 : 0); coord += ',' + regs.GetRegisterAsFloat(depth_register); } - if (is_array) { - coord += ',' + regs.GetRegisterAsInteger(array_register); - } coord += ");"; return std::make_pair( coord, GetTextureCode(instr, texture_type, process_mode, depth_compare, is_array, 0)); @@ -1686,15 +1684,15 @@ private: } } + if (is_array) { + coord += ',' + regs.GetRegisterAsInteger(array_register); + } if (depth_compare) { // Depth is always stored in the register signaled by gpr20 // or in the next register if lod or bias are used const u64 depth_register = instr.gpr20.Value() + (lod_bias_enabled ? 1 : 0); coord += ',' + regs.GetRegisterAsFloat(depth_register); } - if (is_array) { - coord += ',' + regs.GetRegisterAsInteger(array_register); - } coord += ");"; return std::make_pair(coord, @@ -1867,9 +1865,6 @@ private: UNIMPLEMENTED_IF_MSG(instr.fmul.tab5cb8_2 != 0, "FMUL tab5cb8_2({}) is not implemented", instr.fmul.tab5cb8_2.Value()); - UNIMPLEMENTED_IF_MSG(instr.fmul.tab5c68_1 != 0, - "FMUL tab5cb8_1({}) is not implemented", - instr.fmul.tab5c68_1.Value()); UNIMPLEMENTED_IF_MSG( instr.fmul.tab5c68_0 != 1, "FMUL tab5cb8_0({}) is not implemented", instr.fmul.tab5c68_0 @@ -1879,7 +1874,26 @@ private: op_b = GetOperandAbsNeg(op_b, false, instr.fmul.negate_b); - regs.SetRegisterToFloat(instr.gpr0, 0, op_a + " * " + op_b, 1, 1, + std::string postfactor_op; + if (instr.fmul.postfactor != 0) { + s8 postfactor = static_cast<s8>(instr.fmul.postfactor); + + // postfactor encoded as 3-bit 1's complement in instruction, + // interpreted with below logic. + if (postfactor >= 4) { + postfactor = 7 - postfactor; + } else { + postfactor = 0 - postfactor; + } + + if (postfactor > 0) { + postfactor_op = " * " + std::to_string(1 << postfactor); + } else { + postfactor_op = " / " + std::to_string(1 << -postfactor); + } + } + + regs.SetRegisterToFloat(instr.gpr0, 0, op_a + " * " + op_b + postfactor_op, 1, 1, instr.alu.saturate_d, 0, true); break; } |